NDLI: Tributyltin in marine sediments and Philippine green mussels (Perna viridis) in Manila Bay

Content Provider	Springer Nature Link
Author	Olivares, Ryan U. Tabeta, Shigeru Sombrito, Elvira Z.
Copyright Year	2012
Abstract	Tributyltin (TBT) is a pollutant, mainly introduced to the environment as insecticides, fungicides, bactericides, wood preservatives and marine antifouling agent. Concentrations of TBT and its degradation products were isolated from the bivalve Perna viridis and marine sediments collected from selected coastal areas along Manila Bay. In all samples, the extremely toxic TBT compound was detected, calculated as Sn. In sediments, measured concentration ranged from the limit of detection of 0.5 to 9.0 ng Sn g−1. Highest levels of TBT were observed at the inner and northern part of the bay, adjacent to coastal areas of varying land and water use (i.e., aquaculture, fishpond, mangrove forests, industrial establishments, and ports). However, the levels decrease near the bay entrance. Accumulation in this area can also be deduced from the movement of the prevailing wind and hydrodynamic behavior of the bay during the time of sampling, which transports suspended sediments from the eastern coast of Manila to the northern coast of Bulacan. In green mussels, the levels of TBT ranged from 2.1 to 8.9 ng Sn g−1. While these values are relatively low, concentrations as low as 0.659 ng Sn g−1 have been reported to be toxic to molluscs. The environmental levels of organotin species determined in the samples are comparatively low by global standards. Nevertheless, there is a need to estimate the levels of TBT in coastal waters and its associated uses, to evaluate the effectiveness of imposed regulation prohibiting the application of organotin compounds (OTs) as biocides in antifouling agents on ships and aquaculture facilities.
Starting Page	213
Ending Page	219
Page Count	7
File Format	PDF
ISSN	09484280
Journal	Journal of Marine Science and Technology
Volume Number	18
Issue Number	2
e-ISSN	14378213
Language	English
Publisher	Springer Japan
Publisher Date	2012-11-25
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	TBT Organotin Perna viridis Marine pollution Sediments Automotive Engineering Engineering Fluid Dynamics Engineering Design Offshore Engineering Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering Mechanics of Materials Mechanical Engineering

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